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G-5/G-9 Melamine Glass Rod

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G-5/G-9 Melamine Glass Rods are made of melamine resin and glass fiber, offering high mechanical strength and excellent electrical insulation. They have strong resistance to heat, moisture, wear, and chemicals, and maintain stable performance up to 130°C. With good dimensional stability and easy machinability, they are suitable for electrical insulation and industrial structural applications requiring durability and reliability.
Negotiable MOQ: 500 Kilograms (Price negotiable depending on order volume and customization)
Key Specifications
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Material:
Other, Melamine + Glassfiber
Color:
Other, Beige
Application:
Electrical Power System, Electronic Communication, Electronic Device, Industrial Equipment, Medical Equipment, Transportation
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Qingdao Yilong Insulation Material Co., Ltd.
Verified Business License
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Port of Shipment:
Qingdao, Ningbo, Shanghai, Tianjin
Delivery Detail:
30 days

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Material Other, Melamine + Glassfiber
Color Other, Beige
Application Electrical Power System, Electronic Communication, Electronic Device, Industrial Equipment, Medical Equipment, Transportation
Thermal Rating B 130
Length 1000mm
Transport Package Pallet or Wooden Case
Specification Diamete 10-200mm
Trademark YILONG
Origin China

Description

G-5/G-9 Melamine Glass Rods are made from a durable composite of melamine resin and glass fiber, providing high mechanical strength and excellent resistance to heat, moisture, and wear. These rods are suitable for applications where both electrical insulation and physical durability are required. They offer superior dielectric strength, making them ideal for high-voltage systems, and maintain structural integrity in temperatures up to 130°C. The combination of glass fiber and melamine resin ensures resistance to mechanical stress, chemical exposure, and moisture, making these rods versatile for electrical and structural applications.


15. G5. G9 Rod.jpg.webp


Features

High mechanical strength and durability

Excellent electrical insulation with high dielectric strength

Thermally stable up to 130°C

Resistant to moisture, chemicals, and mechanical wear

Glass fiber reinforcement prevents breakage under stress


Applications

Electrical insulation components in high-voltage equipment such as transformers, switchgear, and cables

Structural parts requiring high strength and durability

Insulating rods, spacers, and bushings in industrial machinery

Custom machined components exposed to heat, moisture, or mechanical stress


Test / Property Unit G-3 G-5/G9 G-7 G-10 G-11 G-11H
PHYSICAL






Density g/cm³ 1.8 1.85 1.8 1.8 1.8 1.9
Water Absorption, 24 hrs % 2.65 0.6 0.1 0.1 0.2 0.2
MECHANICAL






Tensile Strength – lengthwise MPa 289 425 138 310 296 280
Tensile Strength – crosswise MPa 234 352 - 262 255 250
Flexural Strength – lengthwise MPa 279 425 207 517 552 372
Flexural Strength – crosswise MPa 234 352 - 448 483 124
Flexural Modulus – lengthwise GPa 12.4 13.8 11 18.6 20.7 14
Flexural Modulus – crosswise GPa 9.7 11.7 - 16.6 18.6 12
Izod Notched Impact – lengthwise kJ/m² 0.64 0.67 0.64 0.71 0.61 16
Izod Notched Impact – crosswise kJ/m² 0.59 0.45 - 0.61 0.46 14
Compressive Strength MPa 379 448 345 448 434 346
Hardness, Rockwell M — 110 115 105 110 112 112
ELECTRICAL






Dielectric Strength (short time, 1/8" thick) kV/mm 18.1 11.8 13.8 31.5 35.4 16
Dielectric Constant at 1 MHz — 7.3 6.3 4.5 5 4.5 4.8
Dissipation Factor at 1 MHz — 0.023 0.019 0.018 0.019 0.02 0.02
Arc Resistance s 180 180 240 100 120 120
THERMAL






Coefficient of Linear Thermal Expansion – lengthwise 10⁻⁶ / °C 1.46 1.27 1.15 0.88 1.15 15
Coefficient of Linear Thermal Expansion – crosswise 10⁻⁶ / °C 1.76 1.45 1.38 0.88 1.27 20
Temperature Resistance °C 120 130 180 130 155 180
Thermal Class / E B H B F H
Flammability Rating UL94 HB V-0 V-0 HB HB HB
Thermal Conductivity W/m·K 0.29 0.29 0.29 0.29 0.29 0.25


Product Tags: G-5 Melamine Glass Rod , G-9 Melamine Glass Rod , Melamine Glass Rod

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Qingdao Yilong Insulation Material Co., Ltd.
Verified Business License
Business Type
Manufacturer
Year Established
1966
Factory Size
Above 100,000 square meters
Annual Export Value
US$10 Million - US$50 Million
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